EP 2832871 A1 20150204 - METHOD FOR ELUTING AND RECOVERING GOLD AND SILVER ADSORBED BY ACTIVATED CARBON
Title (en)
METHOD FOR ELUTING AND RECOVERING GOLD AND SILVER ADSORBED BY ACTIVATED CARBON
Title (de)
VERFAHREN ZUM ELUIEREN UND ZUR RÜCKGEWINNUNG VON DURCH AKTIVKOHLE ADSORBIERTEM GOLD UND SILBER
Title (fr)
PROCÉDÉ D'ÉLUTION ET DE RÉCUPÉRATION DE L'OR ET L'ARGENT ADSORBÉS PAR DU CHARBON ACTIF
Publication
Application
Priority
- JP 2012082295 A 20120330
- JP 2012079857 W 20121116
- JP 2013052265 W 20130131
Abstract (en)
Gold and silver adsorbed on activated carbon are efficiently eluted. The method of eluting gold and silver adsorbed on activated carbon, the method comprises: eluting gold and silver on activated carbon, on which at least the gold and silver are adsorbed, by using an aqueous thiosulfate solution that is maintained at less than pH 7.
IPC 8 full level
C22B 11/00 (2006.01); B01J 20/20 (2006.01); B01J 20/34 (2006.01); C22B 3/00 (2006.01); C22B 3/24 (2006.01)
CPC (source: EP US)
B01J 20/20 (2013.01 - EP); B01J 20/3416 (2013.01 - EP); C22B 3/24 (2013.01 - EP US); C22B 11/04 (2013.01 - EP); Y02P 10/20 (2015.11 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2832871 A1 20150204; EP 2832871 A4 20151209; CA 2868296 A1 20131003; CA 2868296 C 20180123; CL 2014002592 A1 20150116; JP 5840764 B2 20160106; JP WO2013145849 A1 20151210; PE 20142416 A1 20150121; WO 2013145849 A1 20131003
DOCDB simple family (application)
EP 13769775 A 20130131; CA 2868296 A 20130131; CL 2014002592 A 20140926; JP 2013052265 W 20130131; JP 2014507477 A 20130131; PE 2014001509 A 20130131